Cristiane Santos is stripped of the Strikeforce featherweight
championship after testing positive for the anabolic steroid stanozolol
during the Strikeforce: Melendez vs. Masvidal post-fight drug test. Her victory over Hiroko Yamanaka is
overturned by the CaliforniaState Athletic
Commission and ruled a no-contest.

Contenders are
never determined to compete for the vacant Strikeforce women’s featherweight
championship.

Strikeforce ceases operations and folds on January 13,
2013 after being purchased by UFC parent company Zuffa and ultimately merged
with the UFC.